EntityQ808256· pop 8· linked from 20 articlesBarker codeSign in to savemathematical number sequenceWikidata factsShow 1 more factP6104WikiProject Mathematicsvia Wikidata · CC0ConnectionstelecommunicationsEntityphase-shift keyingEntitydirect-sequence spread spectrumEntitycommunicationEntitymobile phoneEntityInternational Standard Book NumberEntityGlobal Positioning SystemEntitycryptographyEntityWi-FiEntityradarEntitydigital object identifierEntitybitEntitynoiseEntityultrasoundEntitysensorEntityQ180686Entityradio receiverEntityClaude ShannonEntitybibcodeEntityradio-frequency identificationEntityCategoriesBinary sequencesCoding theoryDigital signal processingLine codesRadarWireless networking